260171777013420 has 192 divisors, whose sum is σ = 776511300902400. Its totient is φ = 64860839178240.

The previous prime is 260171777013361. The next prime is 260171777013479. The reversal of 260171777013420 is 24310777171062.

It is an interprime number because it is at equal distance from previous prime (260171777013361) and next prime (260171777013479).

It is a self number, because there is not a number n which added to its sum of digits gives 260171777013420.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 108359491 + ... + 110734469.

It is an arithmetic number, because the mean of its divisors is an integer number (4044329692200).

Almost surely, 2^{260171777013420} is an apocalyptic number.

260171777013420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260171777013420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388255650451200).

260171777013420 is an abundant number, since it is smaller than the sum of its proper divisors (516339523888980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260171777013420 is a wasteful number, since it uses less digits than its factorization.

260171777013420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375728 (or 2375726 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 48.

The spelling of 260171777013420 in words is "two hundred sixty trillion, one hundred seventy-one billion, seven hundred seventy-seven million, thirteen thousand, four hundred twenty".